package homework;

public class Student extends Person {
    String className; String stuId;
    Student(){}
    Student(String name,int age,String address,String className, String stuId) {
        super(name,age,address);
        this.className = className; this.stuId = stuId;
    }
    void study(){
        System.out.println(name+"正在学习...");
    }
    void sayHi(){
        System.out.println("大家好，我叫"+name+"，今年"+age+"岁了，家住"+address+"，所在班级为："+className+"，学号为："+stuId);
    }
}
